•The industry's first Extreme Terrain RADIAL tire! •Super-aggressive tread design features 1 1/8-in. deep, angled, grooved lugs to achieve an exceptional level of traction. •Long-wearing tread compound. •The 12-inch option is ideal for primarily muddy conditions, offering better flex and more flotation. •The revolutionary 14-inch model is an excellent all around trail/mud choice, with lower-profile sidewall resulting in reduced flex and a dramatic improvement in handling and rider confidence.